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BOMCO
Baoji Oilfield Machinery Co., Ltd. > Products > Drilling Tools
CASING THREAD GAUGES
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Casing thread gauges are measuring tools for checking connection threads of oil casing and couplings. Based on the type of oil casing, the gauges are classified into round thread of casing (CSG) and buttress thread of casing (BCSG).

 

 

TECHNICAL PARAMETER

套管圆螺纹量规      Round Thread Casing

规格 Specification in(mm) 

扣数 Number of Threads/in(螺距Pitch)

锥  度 Taper(in/ft)

4 1/2(114.3)

8(3.175)

1:16(3/4)      

5(127.0)

8(3.175)

1:16(3/4)      

5 1/2139.7)

8(3.175)

1:16(3/4)      

6 5/8(168.3)

8(3.175)

1:16(3/4)      

7(177.8)

8(3.175)

1:16(3/4)      

7 5/8(193.7) 

8(3.175)

1:16(3/4)      

8 5/8(219.1)

8(3.175)

1:16(3/4)      

9 5/8(244.5)

8(3.175)

1:16(3/4)      

10 3/4(237.1)

8(3.175)

1:16(3/4)      

11 3/4(298.5)

8(3.175)

1:16(3/4)      

13 3/8(339.7)

8(3.175)

1:16(3/4)      

16(406.4)

8(3.175)

1:16(3/4)      

18 5/8(473.1)

8(3.175)

1:16(3/4)      

20(508.0)     

8(3.175)

1:16(3/4)      

 

套管偏梯形螺纹量规    Buttress Thread Casing

规格 Specification in(mm) 

扣数 Number of threads/in(螺距Pitch)

  Taperin/ft

4 1/2(114.7)

5(5.08)  

1:16(3/4)      

5(127.4)

5(5.08)  

1:16(3/4)      

5 1/2(140.1)

5(5.08)  

1:16(3/4)      

6 5/8(168.7)

5(5.08)  

1:16(3/4)      

7(178.2)

5(5.08)  

1:16(3/4)      

7 5/8(194.1)

5(5.08)  

1:16(3/4)      

8 5/8(219.5)

5(5.08)  

1:16(3/4)      

9 5/8(244.9)

5(5.08)  

1:16(3/4)      

10 3/4(273.5)

5(5.08)  

1:16(3/4)      

11 3/4(298.9)

5(5.08)  

1:16(3/4)      

13 3/8(340.1)

5(5.08)  

1:16(3/4)      

16(406.4)

5(5.08)  

1:12(1)  

18 5/8(473.1)

5(5.08)  

1:12(1)  

20(508.0)

5(5.08)  

1:12(1)  

 TECHNICAL PARAMETERS OF SELF-LOCKING CORING GAUGES

外筒取芯螺纹量规         External Barrel Coring

规格 Specification in(mm) 

扣数 Number of threads/in(螺距Pitch)

  Taperin/ft

OQ×121

6(4.233)

1:16(3/4)      

OQ×133

6(4.233)

1:16(3/4)      

OQ×146

6(4.233)

1:16(3/4)      

OQ×172

6(4.233)

1:16(3/4)      

OQ×180

6(4.233)

1:16(3/4)      

OQ×194

6(4.233)

1:16(3/4)      

内筒取芯螺纹量规  Internal Barrel Coring    

规格 Specification in(mm) 

扣数 Number of threads/in(螺距Pitch)

  Taperin/ft

OQ×85

8(3.175)

1:16(3/4)      

OQ×88.9

8(3.175)

1:16(3/4)      

OQ×101.6

8(3.175)

1:16(3/4)      

OQ×121

8(3.175)

1:16(3/4)      

OQ×127

8(3.175)

1:16(3/4)      

OQ×139.7

8(3.175)

1:16(3/4)      

 

 

2014-11-07 09:16 Source: Editor: